65285223 has 16 divisors (see below), whose sum is σ = 89907840. Its totient is φ = 42112224.

The previous prime is 65285173. The next prime is 65285251. The reversal of 65285223 is 32258256.

It is not a de Polignac number, because 65285223 - 2¹² = 65281127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65285023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11740 + ... + 16382.

It is an arithmetic number, because the mean of its divisors is an integer number (5619240).

Almost surely, 2^65285223 is an apocalyptic number.

65285223 is a deficient number, since it is larger than the sum of its proper divisors (24622617).

65285223 is a wasteful number, since it uses less digits than its factorization.

65285223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4798.

The product of its digits is 28800, while the sum is 33.

The square root of 65285223 is about 8079.9271655133. The cubic root of 65285223 is about 402.6598220802.

The spelling of 65285223 in words is "sixty-five million, two hundred eighty-five thousand, two hundred twenty-three".